[root@localhost ~]# ./speedtest-cli --help

usage: speedtest-cli [-h] [--no-download] [--no-upload] [--bytes] [--share]
[--simple] [--csv] [--csv-delimiter CSV_DELIMITER]
[--csv-header] [--json] [--list] [--server SERVER]
[--exclude EXCLUDE] [--mini MINI] [--source SOURCE]
[--timeout TIMEOUT] [--secure] [--no-pre-allocate]
[--version]

Command line interface for testing internet bandwidth using speedtest.net.
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https://github.com/sivel/speedtest-cli

optional arguments:
-h, --help show this help message and exit
--no-download Do not perform download test
--no-upload Do not perform upload test
--bytes Display values in bytes instead of bits. Does not
affect the image generated by --share, nor output from
--json or --csv
--share Generate and provide a URL to the speedtest.net share
results image, not displayed with --csv
--simple Suppress verbose output, only show basic information
--csv Suppress verbose output, only show basic information
in CSV format. Speeds listed in bit/s and not affected
by --bytes
--csv-delimiter CSV_DELIMITER
Single character delimiter to use in CSV output.
Default ","
--csv-header Print CSV headers
--json Suppress verbose output, only show basic information
in JSON format. Speeds listed in bit/s and not
affected by --bytes
--list Display a list of speedtest.net servers sorted by
distance
--server SERVER Specify a server ID to test against. Can be supplied
multiple times
--exclude EXCLUDE Exclude a server from selection. Can be supplied
multiple times
--mini MINI URL of the Speedtest Mini server
--source SOURCE Source IP address to bind to
--timeout TIMEOUT HTTP timeout in seconds. Default 10
--secure Use HTTPS instead of HTTP when communicating with
speedtest.net operated servers
--no-pre-allocate Do not pre allocate upload data. Pre allocation is
enabled by default to improve upload performance. To
support systems with insufficient memory, use this
option to avoid a MemoryError
--version Show the version number and exit